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Cassius Edison
Cybersecurity & Infrastructure Solutions Leader
📧 edisoncassius@outlook.com
💼 linkedin.com/in/cassiusedison
🌍 Global Remote
Professional Summary
Accomplished cybersecurity and infrastructure solutions leader with 8+ years of experience delivering secure, scalable solutions across IT and OT environments. Proven track record of leading cross-functional teams and managing complex projects across three continents in both public and private sectors. Expertise spans from penetration testing and security architecture to infrastructure design and team leadership, with a focus on enhancing security posture and operational efficiency through tailored solutions and technical precision.
Professional Experience
Head of Technology to COO
Closed Door Security
2021 - Present
Global
Leading technical strategy, security architecture, and infrastructure delivery across global projects in IT & OT environments. Managing international teams and overseeing full project lifecycles in both public and private sectors.
Systems Solutions Engineer
Contractor
2019 - 2021
UK, Germany
Provided systems engineering support and secure infrastructure solutions to a range of clients. Delivered technical services focused on reliability, automation and integration of cloud with on-premise systems.
Systems Support Engineer
Carpenters Solicitors
2017 - 2019
Liverpool, UK
Provided comprehensive 1st and 2nd line technical support for law firm operations, managing IT infrastructure, user support, and system maintenance. Ensured business continuity through proactive monitoring and rapid incident resolution.
Site Manager (Construction)
Various Employers
2013 - 2017
UK & Australia
Progressed from labourer to site manager in construction projects. Managed complex construction sites and coordinated multi-disciplinary teams to deliver projects on time and within budget.
Core Competencies
Leadership & Management
Team Leadership Expert
Project Management Expert
Technical Strategy Expert
Business Development Advanced
Cybersecurity
Security Architecture Expert
Vulnerability Assessment Expert
Red Team Operations Intermediate
Incident Response Advanced
Infrastructure
VMware ESXi Expert
Linux Expert
Infrastructure Design Expert
Disaster Recovery Advanced
Cloud & Automation
Microsoft 365 Expert
Ansible Advanced
Python Advanced
Azure Intermediate
Compliance & Standards
Expert: ISO 27001, Risk Assessment, Audit Management | Advanced: GDPR, Maritime Security Standards | Intermediate: IEC 62443
Languages
English: Native
German: Advanced
Spanish: Intermediate
Russian: Beginner
Arabic: Beginner
Professional Highlights
• 8+ years delivering secure infrastructure and cybersecurity solutions across IT and OT environments
• Performance-focused approach enhancing security posture and operational efficiency
• Proven project and team leadership across three continents
• Results-driven professional delivering solutions that drive business growth
• Active in business development, conferences, and cybersecurity community engagement